import predicateType from '../helpers/predicateType';
/**
 * Calculates the mean value of an array of objects using the given iteratee.
 *
 * @since 1.0.0
 *
 * @template T
 *
 * @param {T[]} collection - The array of objects to calculate the mean for.
 * @param {Function} iteratee - The iteratee to use for extracting the values to calculate the mean.
 *
 * @returns {number} - The mean value of the array.
 *
 * @example
 *
 * meanBy([{ value: 1 }, { value: 2 }, { value: 3 }], (obj) => obj.value);
 * // => 2
 *
 * meanBy([{ value: 5 }, { value: 5 }, { value: 5 }, { value: 5 }], (obj) => obj.value);
 * // => 5
 */
declare const meanBy: <T>(collection: T[], iteratee: predicateType<T>) => number;
export default meanBy;